They are about about 1/3 of the 1970's despite the US population increasing by 140 million.
How much of the decrease is due to safety organizations like OSHA that are currently being dismantled under the guise that safety is uneconomic?
https://en.wikipedia.org/wiki/Nippon_Paper_Industries
I guess this subsidiary was a part of Weyerhaeuser before and was sold to Nippon Paper Industries 10 years ago:
https://investor.weyerhaeuser.com/2016-08-31-Weyerhaeuser-Co...